Yu L, Babzien M, Ben-Zvi I, DiMauro LF, Doyuran A, Graves W, Johnson E, Krinsky S, Malone R, Pogorelsky I, Skaritka J, Rakowsky G, Solomon L, Wang XJ, Woodle M, Yakimenko V, Biedron SG, Galayda JN, Gluskin E, Jagger J, Sajaev V, Vasserman I
Brookhaven National Laboratory, Upton, NY 11973, USA. Advanced Photon Source, Argonne National Laboratory, Argonne, IL 60439, USA.
Science. 2000 Aug 11;289(5481):932-5. doi: 10.1126/science.289.5481.932.
A high-gain harmonic-generation free-electron laser is demonstrated. Our approach uses a laser-seeded free-electron laser to produce amplified, longitudinally coherent, Fourier transform-limited output at a harmonic of the seed laser. A seed carbon dioxide laser at a wavelength of 10.6 micrometers produced saturated, amplified free-electron laser output at the second-harmonic wavelength, 5.3 micrometers. The experiment verifies the theoretical foundation for the technique and prepares the way for the application of this technique in the vacuum ultraviolet region of the spectrum, with the ultimate goal of extending the approach to provide an intense, highly coherent source of hard x-rays.
演示了一种高增益谐波产生自由电子激光器。我们的方法是使用激光种子自由电子激光器，以种子激光的谐波产生放大的、纵向相干的、傅里叶变换极限输出。波长为10.6微米的种子二氧化碳激光器在二次谐波波长5.3微米处产生了饱和的、放大的自由电子激光输出。该实验验证了该技术的理论基础，并为该技术在光谱真空紫外区域的应用铺平了道路，最终目标是扩展该方法以提供高强度、高相干性的硬X射线源。
